Easy C Rider Moderately paced bicycle rides of 15 to 35 miles on relatively gentle terrain in the Worcester area on most Saturdays and Sundays (weather permitting). (508) 831-0301. Starting times and locations are posted each week at www.easycrider.com or www.sevenhillswheelmen.org.

A Civil War Living History with the Ninth Massachusetts Light Artillery 1862-1865 Artillery demonstrations, visit the medical tent, officers’ tents and interact with the solders, 9 a.m.-3 p.m. Oct. 6. North Park, On the Common, Barre. (978) 355-6296 or www.9thmassbattery.org.

Explore Holland Trails Meet 9:30 a.m. Oct. 6 (rain or shine) at the kayak/canoe launch by the bridge on Pond Bridge Road in Holland for a safety check and minor adjustments by a mechanics from Bicycle Concerts. 10-mile ride (options for a shorter ride) from 10 a.m. to noon. Helmets required. (413) 245-7745.

Mendon Lions Country Fair with the first-ever commodity contest for all ages for the best homegrown vegetables, homestead eggs, homemade jams and jellies, flower arrangements and sunflower heads, Oct. 6. Mendon Country Gift Barn, Route 16, Mendon. Contest rules and entry forms will be available at the Taft Public Library, 18 Main St., or email ellen.mendon.agcom@gmail.com or carboneenterprise@gmail.com.

Book Sale and Music Program 10 a.m.-2 p.m. Oct. 6. Children’s musician Deb Hudgins will be performing a music and movement program for young children 10:30-11 a.m. Free. Whitinsville Social Library, 17 Church St., Whitinsville. (508) 234-2151.

A View from the Top The park interpreter will be on the summit for two hours to conduct tours, answer questions and tell stories about the history of Mount Wachusett. Tour leaves every half-hour between 8:30 to 10:30 a.m. Oct. 6 and 7. $2 fee per vehicle to drive to the summit. Meet next to the summit pool. Wachusett Mountain State Reservation, 345 Mountain Road, Princeton. (978) 464-2987.

Creatures of the Chasm Meet at 3 p.m. Oct. 6 and 7 at the pavilion to find out about the wild creatures of Purgatory. Bring flashlight and sturdy shoes. Free. Purgatory Chasm State Reservation, 198 Purgatory Road, Sutton. (508) 234-9610.